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Epitaxial overgrowth of goethite on hematite synthesized in phosphate media: A scanning force and transmission electron microscopy study
Epitaxial goethite hematite synthesized phosphate media scanning force transmission electron microscopy study
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2012/4/6
WeusedX-raydiffraction(XRD),scanningforcemicroscopy(SFM),transmissionelec-
tronmicroscopy(TEM),andcolortoinvestigatetheeffectofphosphateonthecrystalli-
zationrate,nature,andmorphologyofironoxidespre...
Transformation of mackinawite to greigite: An in situ X-ray powder diffraction and transmission electron microscope study
Transformation mackinawite to greigite X-ray powder diffraction transmission electron microscope study
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2012/4/5
Partialtransformationofmackinawitetogreigitewasalsoobservedusingtransmissionelectronmicroscopy(TEM)followinginsituheating.Electrondiffractionpatternsshowthat(001)ofmackinawiteisparallelto(001)ofgreigi...
Twinning in synthetic anorthite: A transmission electron microscopy investigation
Twinning synthetic anorthite transmission electron microscopy investigation
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2012/4/1
Transmission electron microscopy (TEM) has revealed dense, complex twins in synthetic
anorthite crystals formed by annealing CaAl2Si20g glass. The crystals are dominated by
Carlsbad and Carlsbad-alb...
Transmission electron microscopy study of the thermal decomposition of tremolite into clinopyroxene
Transmission electron microscopy study decomposition tremolite clinopyroxene
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2012/4/6
In situ-heating transmission electronmicroscopyandhigh-resolutiontransmission elec-tron microscopystudies ofthe thermal decomposition oftremolite showthat transformed pyroxenes have C21cand P2/c struc...
Characterization of Untreated and Alkylammonium Ion Exchanged Illite/Smectite by High Resolution Transmission Electron Microscopy
Alkylammonium Clays Diagenesis Illite Interstratification Smectite Transmission Electron Microscopy
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2011/12/28
High resolution transmission electron microscopy (HRTEM) have been performed on dispersed portions of one R > 1 and two R3 illite/smectite (I/S) samples from Silurian K-bentonites. R > 1 sample was st...
Charge Heterogeneity and Nanostructure of 2:1 Layer Silicates by High-Resolution Transmission Electron Microscopy
Charge heterogeneity Clays High-resolution transmission electron microscopy Illite Montmorillonite Nanostructure Smectite Vermiculite
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2011/12/30
Several soil and reference smectites and vermiculites and one reference illite were examined by high-resolution transmission electron microscopy (HRTEM) to decipher the nanostructure and layer charge ...
Transmission Electron Microscopic Study of the Kaolinitization of Muscovite
Analytical electron microscopy Hydrothermal alteration Kaolinite Muscovite Transmission electron microscopy
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2011/11/30
Abstract: Hydrothermally kaolinitized muscovite from the Otago schist of Brighton, New Zealand, has been studied by transmission and analytical electron microscopy (TEM and AEM) to determine the mecha...
Transmission Electron Microscope Observations of Illite Polytypism
Illite Polytypism Transmission electron microscopy
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2012/1/4
Transmission electron microscopy (TEM), including selected area electron diffraction (SAED), has been used to identify polytypes in illite, phengite and muscovite from samples representing a wide rang...
High-Resolution Transmission Electron Microscopy Study of Mn-Oxyhydroxide Transformations and Accompanying Phases in a Lateritic Profile of Moanda, Gabon
Energy-dispersive X-ray analysis Hausmannite High-resolution transmission electron microscopy Laterite Manganese Manganite Pyrolusite Topotactic transformation
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2011/12/31
Unheated natural mixtures of manganite and secondary pyrolusite, from the same lateritic manganiferous sequence, were studied in different orientations by high-resolution transmission electron microsc...
Analytical Transmission Electron Microscope Studies of Plagioclase, Muscovite, and K-Feldspar Weathering
Analytical electron microscopy High-resolution transmission electron microscopy Illite Kaolinite K-feldspar Muscovite Noncrystalline intermediate Plagioclase
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2011/11/30
Abstract: Analytical and high-resolution transmission electron microscopy of weathered plagioclase and K-feldspar provided microtextural and chemical data that suggest a sequential formation of weathe...
High-Resolution Transmission Electron Microscopy and Electron Diffraction of Mixed-Layer Illite/Smectite: Experimental Results
Electron diffraction Fundamental particle High-resolution transmission electron microscopy Illite/smectite Interstratification Smectite
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2011/11/30
Abstract: High-resolution transmission electron microscopy (HRTEM) and electron diffraction experiments have been performed on R1 and R> 1 illite/smectite (I/S) samples that from X-ray powder diffract...
Direct High-Resolution Transmission Electron Microscopic Measurement of Expandability of Mixed-Layer Illite/Smectite in Bentonite Rock
Expandability Fundamental particle High-resolution transmission electron microscopy Illite/smectite Interstratification
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2012/1/4
Samples of mixed-layer illite/smectite were investigated from a single bentonite bed zoned with respect to expandability from 90 to 30%. Chips of natural rocks were embedded in a resin, using procedur...
Transmission Electron Microscopic Study of Coexisting Pyrophyllite and Muscovite: Direct Evidence for the Metastability of Illite
Analytical electron microscopy Illite Muscovite Pyrophyllite Solid solution Thermodynamic stability Transmission electron microscopy
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2012/1/4
Transmission electron microscopy has been used to characterize coexisting pyrophyllite and muscovite in low-grade metamorphosed pelites from Witwatersrand and northeastern Pennsylvania. The Witwatersr...
Illite/Smectite from Gulf Coast Shales: A Reappraisal of Transmission Electron Microscope Images
Illite/smectite Lattice-fringe images Periodicity Transmission electron microscopy X-ray powder diffraction
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2012/1/9
Transmission electron microscope (TEM) images of mixed-layer illite/smectite (I/S) from Gulf Coast shales obtained earlier by the authors have been reexamined by comparing them with the calculated ima...
High-Resolution Transmission Electron Microscopy of Mixed-Layer Illite/Smectite: Computer Simulations
High-resolution transmission electron microscopy Illite Image simulation Mixed layer Smectite
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2011/11/30
Abstract: High-resolution transmission electron microscope images of dioctahedral mixed-layer clay structures (illite/smectite) having various substitutional and polytypic schemes were modeled using c...